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tdemultimedia/kaudiocreator/encoder.cpp

332 lines
9.7 KiB

/**
* This file is part of the KAudioCreator package
* Copyright (C) 2003 Benjamin C Meyer (ben+kaudiocreator at meyerhome dot net)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "encoder.h"
#include "prefs.h"
#include "encoder_prefs.h"
#include "encoderoutput.h"
#include <tqregexp.h>
#include <tqdir.h>
#include <kstandarddirs.h>
#include <kmessagebox.h>
#include <kurl.h>
#include <kdebug.h>
#include <knotifyclient.h>
#include <tqtextedit.h>
#include <kinputdialog.h>
/**
* Constructor, load settings.
*/
Encoder::Encoder( TQObject* parent, const char* name):TQObject(parent,name),reportCount(0) {
loadSettings();
}
/**
* Load the settings for this class.
*/
void Encoder::loadSettings() {
loadEncoder(Prefs::currentEncoder());
// If the cpu count change then try
for(uint i=0; i<(uint)Prefs::numberOfCpus(); i++)
tendToNewJobs();
}
EncoderPrefs* Encoder::loadEncoder( int encoder ){
EncoderPrefs* prefs;
TQString currentEncoderGroup = TQString("Encoder_%1").arg(encoder);
prefs = EncoderPrefs::prefs(currentEncoderGroup);
if ( !EncoderPrefs::hasPrefs(currentEncoderGroup) ) {
KMessageBox::sorry(0, i18n("No encoder has been selected.\nPlease select an encoder in the configuration."), i18n("No Encoder Selected"));
prefs->setCommandLine(TQString());
}
return prefs;
}
/**
* Deconstructor, remove pending jobs, remove current jobs.
*/
Encoder::~Encoder() {
pendingJobs.clear();
TQMap<KShellProcess*, Job*>::Iterator pit;
for( pit = jobs.begin(); pit != jobs.end(); ++pit ) {
Job *job = jobs[pit.key()];
KShellProcess *process = pit.key();
threads.remove(process);
process->kill();
TQFile::remove(job->newLocation);
delete job;
delete process;
}
jobs.clear();
}
/**
* @return The number of active jobs
*/
int Encoder::activeJobCount() {
return jobs.count();
}
/**
* @return The number of pending jobs
*/
int Encoder::pendingJobCount() {
return pendingJobs.count();
}
/**
* Stop this job with the matching id.
* @param id the id number of the job to stop.
*/
void Encoder::removeJob(int id ) {
TQMap<KShellProcess*, Job*>::Iterator it;
for( it = jobs.begin(); it != jobs.end(); ++it ) {
if ( it.data()->id == id ) {
KShellProcess *process = it.key();
Job *job = jobs[it.key()];
threads.remove(process);
process->kill();
jobs.remove(process);
delete job;
delete process;
break;
}
}
Job *job = pendingJobs.first();
while(job ) {
if ( job->id == id)
break;
job = pendingJobs.next();
}
if ( job ) {
pendingJobs.remove(job);
delete job;
}
tendToNewJobs();
}
/**
* Adds job to the que of jobs to encode.
* @param job the job to encode.
*/
void Encoder::encodeWav(Job *job ) {
emit(addJob(job, i18n("Encoding (%1): %2 - %3").arg(loadEncoder(job->encoder)->extension())
.arg(job->track_artist).arg(job->track_title)));
pendingJobs.append(job);
tendToNewJobs();
}
/**
* See if there are are new jobs to attend too. If we are all loaded up
* then just loop back in a few seconds and check agian.
*/
void Encoder::tendToNewJobs() {
if ( pendingJobs.count() == 0 ) {
emit jobsChanged();
return;
}
// If we are currently ripping the max try again in a little bit.
if ( (int)threads.count() >= Prefs::numberOfCpus() ) {
emit jobsChanged();
return;
}
Job *job = pendingJobs.first();
pendingJobs.remove(job);
EncoderPrefs* prefs = loadEncoder(job->encoder);
TQString desiredFile = Prefs::fileFormat();
desiredFile.replace( TQRegExp("~"), TQDir::homeDirPath() );
{
TQMap <TQString,TQString> map;
map.insert("extension", prefs->extension());
Job jobx = *job;
jobx.fix(Prefs::replaceInput(), Prefs::replaceOutput());
jobx.fix("/", "%2f");
// If the user wants anything regexp replaced do it now...
desiredFile = jobx.replaceSpecialChars(desiredFile, false, map);
}
while ( TQFile::exists( desiredFile ) ) {
bool ok;
TQString text = KInputDialog::getText(
i18n("File Already Exists"), i18n("Sorry, file already exists. Please pick a new name:"),
desiredFile, &ok );
if ( ok && !text.isEmpty() )
desiredFile = text;
else {
emit jobsChanged();
updateProgress(job->id, -1);
return;
}
}
int lastSlash = desiredFile.findRev('/',-1);
if ( lastSlash == -1 ||
!(KStandardDirs::makeDir( desiredFile.mid(0,lastSlash), 0775)) ) {
KMessageBox::sorry(0, i18n("Cannot place file, unable to make directories."), i18n("Encoding Failed"));
emit jobsChanged();
updateProgress(job->id, -1);
return;
}
job->newLocation = desiredFile;
reportCount = 0;
TQString command = prefs->commandLine(); {
TQMap <TQString,TQString> map;
map.insert("extension", prefs->extension());
map.insert("f", job->location);
map.insert("o", desiredFile);
command = job->replaceSpecialChars(command, true, map);
}
updateProgress(job->id, 1);
job->errorString = command;
KShellProcess *proc = new KShellProcess();
proc->setPriority(Prefs::niceLevel());
*proc << TQFile::encodeName(command).data();
connect(proc, TQT_SIGNAL(receivedStdout(KProcess *, char *, int )),
this, TQT_SLOT(receivedThreadOutput(KProcess *, char *, int )));
connect(proc, TQT_SIGNAL(receivedStderr(KProcess *, char *, int )),
this, TQT_SLOT(receivedThreadOutput(KProcess *, char *, int )));
connect(proc, TQT_SIGNAL(processExited(KProcess *)), this, TQT_SLOT(jobDone(KProcess *)));
jobs.insert(proc, job);
threads.append(proc);
proc->start(KShellProcess::NotifyOnExit, KShellProcess::AllOutput);
emit jobsChanged();
}
/**
* We have received some output from a thread. See if it contains %.
* @param proc the process that has new output.
* @param buffer the output from the process
* @param buflen the length of the buffer.
*/
void Encoder::receivedThreadOutput(KProcess *process, char *buffer, int length ) {
if ( Prefs::fullDecoderDebug() && buffer)
kdDebug(60002) << buffer << endl;
// Make sure we have a job to send an update too.
if(jobs.find((KShellProcess*)process) == jobs.end()){
kdDebug(60002) << "Encoder::receivedThreadOutput Job doesn't exists. Line: " << __LINE__ << endl;
return;
}
Job *job = jobs[(KShellProcess*)process];
// Keep the output in the event it fails.
job->output += TQString(buffer).mid(0,length);
// Make sure the output string has a % symble in it.
TQString output = TQString(buffer).mid(0,length);
if ( output.find('%') == -1 && reportCount < 5 ) {
kdDebug(60002) << "No \'%%\' in output. Report as bug w/encoder options if progressbar doesn't fill." << endl;
reportCount++;
return;
}
//tqDebug(TQString("Pre cropped: %1").arg(output).latin1());
output = output.mid(output.find('%')-loadEncoder(job->encoder)->percentLength(),2);
//tqDebug(TQString("Post cropped: %1").arg(output).latin1());
bool conversionSuccessfull = false;
int percent = output.toInt(&conversionSuccessfull);
//tqDebug(TQString("number: %1").arg(percent).latin1());
if ( percent >= 0 && percent < 100 && conversionSuccessfull ) {
emit(updateProgress(job->id, percent));
}
// If it was just some random output that couldn't be converted then don't report the error.
else
if ( conversionSuccessfull )
kdWarning("Percent done:\"%d\" is not >= 0 && < 100.", percent);
}
/**
* When the process is done encoding a file this function is called.
* @param job the job that just finished.
*/
void Encoder::jobDone(KProcess *process ) {
// Normal error checking here.
if ( !process)
return;
//tqDebug("Process exited with status: %d", process->exitStatus());
Job *job = jobs[(KShellProcess*)process];
threads.remove((KShellProcess*)process);
jobs.remove((KShellProcess*)process);
bool showDebugBox = false;
if ( process->exitStatus() == 127 ) {
KMessageBox::sorry(0, i18n("The selected encoder was not found.\nThe wav file has been removed. Command was: %1").arg(job->errorString), i18n("Encoding Failed"));
emit(updateProgress(job->id, -1));
}
else if ( TQFile::exists(job->newLocation) ) {
// fyi segfaults return 136
if ( process->exitStatus() != 0 ) {
if ( KMessageBox::questionYesNo(0, i18n("The encoder exited with a error. Please check that the file was created.\nDo you want to see the full encoder output?"), i18n("Encoding Failed"),i18n("Show Output"),i18n("Skip Output")) == KMessageBox::Yes )
{
showDebugBox = true;
}
}
else{
//tqDebug("Must be done: %d", (process->exitStatus()));
emit(updateProgress(job->id, 100));
KNotifyClient::event("track encoded");
if ( job->lastSongInAlbum)
KNotifyClient::event("cd encoded");
}
}
else
{
if ( KMessageBox::questionYesNo(0, i18n("The encoded file was not created.\nPlease check the encoder options.\nThe wav file has been removed.\nDo you want to see the full encoder output?"), i18n("Encoding Failed"),i18n("Show Output"),i18n("Skip Output")) == KMessageBox::Yes )
{
showDebugBox = true;
}
emit( updateProgress( job->id, -1 ) );
}
if ( job->removeTempFile )
TQFile::remove( job->location );
if( showDebugBox ){
EncoderOutput dlg( 0, "Encoder Output" );
job->output = job->errorString + "\n\n\n" + job->output;
dlg.output->setText(job->output);
dlg.exec();
}
delete job;
delete process;
tendToNewJobs();
}
#include "encoder.moc"